<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>登录页面</title>
</head>
<body>
<form action="/loginx" method="post">
    用户名：<input type="text" name="username" /> <br />
    密码：<input type="password" name="password" /> <br />
 <input type="submit" value="登录" />
</form>
</body>
</html>